9976820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71263}}^1$

素因数の和:71279

約数の個数: 24

約数和(自身を含む): 23944704

約数和(自身を除く): 13967884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71263, 142526, 285052, 356315, 498841, 712630, 997682, 1425260, 1995364, 2494205, 4988410, 9976820]

約数ペア:

[(1, 9976820), (2, 4988410), (4, 2494205), (5, 1995364), (7, 1425260), (10, 997682), (14, 712630), (20, 498841), (28, 356315), (35, 285052), (70, 142526), (140, 71263)]